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(!!!!!) (Best Overall Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (9.4/8.6ma and 9.4/8.4ma) 1-2% matched (best sounding ECC33 of all-time)
(!!!!!) (Best Overall Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (9.4/8.6ma and 9.4/8.4ma) 1-2% matched (best sounding ECC33 of all-time)
$ 799.99
1 low noise pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era in original boxes (rare and best of breed) 1-2% matched
1 tube) 9.4/8.6ma Gm=3800/3500
1 tube) 9.4/8.4ma Gm=3800/3600
- best sounding ECC33 of all-time
- black oval plates
- pan getter
Sonic Comments: "the ECC33s sound great - big, expansive and very clean and open"
Tested on Amplitrex
Good mA range 7-10mA
Good Gm = 2300-2600
Vplate = 250V
See more: vacuum tube
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 (Best Overall Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (9.4/8.6ma and 9.4/8.4ma) 1-2% matched (best sounding ECC33 of all-time)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_59d2c515-c7bc-4329-a5d7-a382b1e123ab.jpg?v=1732036619){kind=link}
 (Best Overall Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (9.4/8.6ma and 9.4/8.4ma) 1-2% matched (best sounding ECC33 of all-time) "Pin It")